package com.example.online.music.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.example.online.music.model.domain.Consumer;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository
public interface ConsumerMapper extends BaseMapper<Consumer> {

    /** 查询所有用户ID 集合 */
    List<Integer> selectAllUserIds();
}
